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3cea8c43 AG |
1 | /* |
2 | * This program is free software; you can redistribute it and/or modify | |
3 | * it under the terms of the GNU General Public License, version 2, as | |
4 | * published by the Free Software Foundation. | |
5 | * | |
6 | * This program is distributed in the hope that it will be useful, | |
7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
9 | * GNU General Public License for more details. | |
10 | * | |
11 | * You should have received a copy of the GNU General Public License | |
12 | * along with this program; if not, write to the Free Software | |
13 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
14 | * | |
15 | * Copyright SUSE Linux Products GmbH 2009 | |
16 | * | |
17 | * Authors: Alexander Graf <agraf@suse.de> | |
18 | */ | |
19 | ||
20 | #ifndef __ASM_KVM_BOOK3S_ASM_H__ | |
21 | #define __ASM_KVM_BOOK3S_ASM_H__ | |
22 | ||
54695c30 BH |
23 | /* XICS ICP register offsets */ |
24 | #define XICS_XIRR 4 | |
25 | #define XICS_MFRR 0xc | |
26 | #define XICS_IPI 2 /* interrupt source # for IPIs */ | |
27 | ||
7e57cba0 AG |
28 | #ifdef __ASSEMBLY__ |
29 | ||
c14dea04 | 30 | #ifdef CONFIG_KVM_BOOK3S_HANDLER |
3cea8c43 AG |
31 | |
32 | #include <asm/kvm_asm.h> | |
33 | ||
34 | .macro DO_KVM intno | |
35 | .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ | |
36 | (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ | |
37 | (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ | |
38 | (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ | |
39 | (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ | |
40 | (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ | |
41 | (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ | |
a5d4f3ad | 42 | (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ |
3cea8c43 AG |
43 | (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ |
44 | (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ | |
45 | (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ | |
46 | (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ | |
47 | (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ | |
48 | (\intno == BOOK3S_INTERRUPT_TRACE) || \ | |
49 | (\intno == BOOK3S_INTERRUPT_PERFMON) || \ | |
50 | (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ | |
51 | (\intno == BOOK3S_INTERRUPT_VSX) | |
52 | ||
53 | b kvmppc_trampoline_\intno | |
54 | kvmppc_resume_\intno: | |
55 | ||
56 | .endif | |
57 | .endm | |
58 | ||
59 | #else | |
60 | ||
61 | .macro DO_KVM intno | |
62 | .endm | |
63 | ||
c14dea04 | 64 | #endif /* CONFIG_KVM_BOOK3S_HANDLER */ |
3cea8c43 | 65 | |
7e57cba0 AG |
66 | #else /*__ASSEMBLY__ */ |
67 | ||
3c42bf8a PM |
68 | /* |
69 | * This struct goes in the PACA on 64-bit processors. It is used | |
70 | * to store host state that needs to be saved when we enter a guest | |
71 | * and restored when we exit, but isn't specific to any particular | |
72 | * guest or vcpu. It also has some scratch fields used by the guest | |
73 | * exit code. | |
74 | */ | |
75 | struct kvmppc_host_state { | |
76 | ulong host_r1; | |
77 | ulong host_r2; | |
de56a948 | 78 | ulong host_msr; |
3c42bf8a PM |
79 | ulong vmhandler; |
80 | ulong scratch0; | |
81 | ulong scratch1; | |
36e7bb38 | 82 | ulong scratch2; |
3c42bf8a | 83 | u8 in_guest; |
02143947 | 84 | u8 restore_hid5; |
19ccb76a | 85 | u8 napping; |
de56a948 | 86 | |
9975f5e3 | 87 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
f0888f70 PM |
88 | u8 hwthread_req; |
89 | u8 hwthread_state; | |
54695c30 | 90 | u8 host_ipi; |
e0b7ec05 | 91 | u8 ptid; |
de56a948 | 92 | struct kvm_vcpu *kvm_vcpu; |
371fefd6 PM |
93 | struct kvmppc_vcore *kvm_vcore; |
94 | unsigned long xics_phys; | |
54695c30 | 95 | u32 saved_xirr; |
de56a948 | 96 | u64 dabr; |
72cde5a8 | 97 | u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ |
9e368f29 | 98 | u32 host_pmc[8]; |
de56a948 PM |
99 | u64 host_purr; |
100 | u64 host_spurr; | |
101 | u64 host_dscr; | |
102 | u64 dec_expires; | |
103 | #endif | |
0acb9111 PM |
104 | #ifdef CONFIG_PPC_BOOK3S_64 |
105 | u64 cfar; | |
4b8473c9 | 106 | u64 ppr; |
0acb9111 | 107 | #endif |
3c42bf8a PM |
108 | }; |
109 | ||
7e57cba0 | 110 | struct kvmppc_book3s_shadow_vcpu { |
40fdd8c8 | 111 | bool in_use; |
7e57cba0 AG |
112 | ulong gpr[14]; |
113 | u32 cr; | |
114 | u32 xer; | |
66bb1706 AG |
115 | ulong ctr; |
116 | ulong lr; | |
117 | ulong pc; | |
a2d56020 | 118 | |
66bb1706 AG |
119 | ulong shadow_srr1; |
120 | ulong fault_dar; | |
a2d56020 PM |
121 | u32 fault_dsisr; |
122 | u32 last_inst; | |
66bb1706 | 123 | |
66bb1706 AG |
124 | #ifdef CONFIG_PPC_BOOK3S_32 |
125 | u32 sr[16]; /* Guest SRs */ | |
3c42bf8a PM |
126 | |
127 | struct kvmppc_host_state hstate; | |
66bb1706 | 128 | #endif |
3c42bf8a | 129 | |
66bb1706 AG |
130 | #ifdef CONFIG_PPC_BOOK3S_64 |
131 | u8 slb_max; /* highest used guest slb entry */ | |
132 | struct { | |
133 | u64 esid; | |
134 | u64 vsid; | |
135 | } slb[64]; /* guest SLB */ | |
136 | #endif | |
7e57cba0 AG |
137 | }; |
138 | ||
139 | #endif /*__ASSEMBLY__ */ | |
140 | ||
f0888f70 PM |
141 | /* Values for kvm_state */ |
142 | #define KVM_HWTHREAD_IN_KERNEL 0 | |
143 | #define KVM_HWTHREAD_IN_NAP 1 | |
144 | #define KVM_HWTHREAD_IN_KVM 2 | |
145 | ||
3cea8c43 | 146 | #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ |